The tower of London, a lecture is to be given tomorrow, is one of the world’s gr
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The tower of London, _____ a lecture is to be given tomorrow, is one of the world’s great historic buidling.
A. in which B. what C. about which D. which
试题答案
C
考查非限制性的定语从句，把从句补充完整就是，A lecture about the tower of London is to be given tomorrow.